Properties

Label 2-38-19.17-c9-0-8
Degree $2$
Conductor $38$
Sign $0.498 + 0.866i$
Analytic cond. $19.5713$
Root an. cond. $4.42395$
Motivic weight $9$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + (2.77 − 15.7i)2-s + (30.0 + 25.1i)3-s + (−240. − 87.5i)4-s + (−2.54e3 + 925. i)5-s + (480. − 402. i)6-s + (3.96e3 + 6.87e3i)7-s + (−2.04e3 + 3.54e3i)8-s + (−3.15e3 − 1.78e4i)9-s + (7.51e3 + 4.26e4i)10-s + (3.30e4 − 5.71e4i)11-s + (−5.01e3 − 8.68e3i)12-s + (1.08e5 − 9.06e4i)13-s + (1.19e5 − 4.34e4i)14-s + (−9.95e4 − 3.62e4i)15-s + (5.02e4 + 4.21e4i)16-s + (−6.32e4 + 3.58e5i)17-s + ⋯
L(s)  = 1  + (0.122 − 0.696i)2-s + (0.213 + 0.179i)3-s + (−0.469 − 0.171i)4-s + (−1.81 + 0.662i)5-s + (0.151 − 0.126i)6-s + (0.624 + 1.08i)7-s + (−0.176 + 0.306i)8-s + (−0.160 − 0.908i)9-s + (0.237 + 1.34i)10-s + (0.679 − 1.17i)11-s + (−0.0697 − 0.120i)12-s + (1.04 − 0.880i)13-s + (0.830 − 0.302i)14-s + (−0.507 − 0.184i)15-s + (0.191 + 0.160i)16-s + (−0.183 + 1.04i)17-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.498 + 0.866i)\, \overline{\Lambda}(10-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 38 ^{s/2} \, \Gamma_{\C}(s+9/2) \, L(s)\cr =\mathstrut & (0.498 + 0.866i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(38\)    =    \(2 \cdot 19\)
Sign: $0.498 + 0.866i$
Analytic conductor: \(19.5713\)
Root analytic conductor: \(4.42395\)
Motivic weight: \(9\)
Rational: no
Arithmetic: yes
Character: $\chi_{38} (17, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 38,\ (\ :9/2),\ 0.498 + 0.866i)\)

Particular Values

\(L(5)\) \(\approx\) \(1.33170 - 0.770315i\)
\(L(\frac12)\) \(\approx\) \(1.33170 - 0.770315i\)
\(L(\frac{11}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + (-2.77 + 15.7i)T \)
19 \( 1 + (-5.67e5 + 8.04e3i)T \)
good3 \( 1 + (-30.0 - 25.1i)T + (3.41e3 + 1.93e4i)T^{2} \)
5 \( 1 + (2.54e3 - 925. i)T + (1.49e6 - 1.25e6i)T^{2} \)
7 \( 1 + (-3.96e3 - 6.87e3i)T + (-2.01e7 + 3.49e7i)T^{2} \)
11 \( 1 + (-3.30e4 + 5.71e4i)T + (-1.17e9 - 2.04e9i)T^{2} \)
13 \( 1 + (-1.08e5 + 9.06e4i)T + (1.84e9 - 1.04e10i)T^{2} \)
17 \( 1 + (6.32e4 - 3.58e5i)T + (-1.11e11 - 4.05e10i)T^{2} \)
23 \( 1 + (6.24e5 + 2.27e5i)T + (1.37e12 + 1.15e12i)T^{2} \)
29 \( 1 + (-5.11e5 - 2.90e6i)T + (-1.36e13 + 4.96e12i)T^{2} \)
31 \( 1 + (2.09e6 + 3.62e6i)T + (-1.32e13 + 2.28e13i)T^{2} \)
37 \( 1 - 2.56e6T + 1.29e14T^{2} \)
41 \( 1 + (-1.46e7 - 1.22e7i)T + (5.68e13 + 3.22e14i)T^{2} \)
43 \( 1 + (-3.19e7 + 1.16e7i)T + (3.85e14 - 3.23e14i)T^{2} \)
47 \( 1 + (1.75e6 + 9.98e6i)T + (-1.05e15 + 3.82e14i)T^{2} \)
53 \( 1 + (7.86e6 + 2.86e6i)T + (2.52e15 + 2.12e15i)T^{2} \)
59 \( 1 + (-1.46e7 + 8.30e7i)T + (-8.14e15 - 2.96e15i)T^{2} \)
61 \( 1 + (5.01e6 + 1.82e6i)T + (8.95e15 + 7.51e15i)T^{2} \)
67 \( 1 + (2.17e7 + 1.23e8i)T + (-2.55e16 + 9.30e15i)T^{2} \)
71 \( 1 + (1.14e8 - 4.18e7i)T + (3.51e16 - 2.94e16i)T^{2} \)
73 \( 1 + (-8.31e7 - 6.97e7i)T + (1.02e16 + 5.79e16i)T^{2} \)
79 \( 1 + (1.22e8 + 1.02e8i)T + (2.08e16 + 1.18e17i)T^{2} \)
83 \( 1 + (-3.45e8 - 5.99e8i)T + (-9.34e16 + 1.61e17i)T^{2} \)
89 \( 1 + (-7.87e8 + 6.61e8i)T + (6.08e16 - 3.45e17i)T^{2} \)
97 \( 1 + (-1.94e8 + 1.10e9i)T + (-7.14e17 - 2.60e17i)T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−14.35507021696725593706165829578, −12.45786222580336513791512417292, −11.55672294240196487912247790963, −10.92354553319989187605307264272, −8.854312426698880620323057341889, −8.089822149089994207480288968857, −6.00597016859155656425876878443, −3.88844881881783404315671921818, −3.14575967436362656620186954610, −0.73143411370914858088827103400, 1.04967200525006564013761326027, 3.99477623923642751150333937809, 4.70653261212973566186339643916, 7.26266867911342651494966211012, 7.72450120701480087997323221702, 9.034385516446802884008697993201, 11.12182913366552443878790229177, 12.07087079776688960308106822201, 13.56936671563548117280105925394, 14.48910761629130239231269680319

Graph of the $Z$-function along the critical line